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SWCS049I 数据表(PDF) 14 Page - Texas Instruments |
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SWCS049I 数据表(HTML) 14 Page - Texas Instruments |
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14 / 119 page  14 TPS659110, TPS659112, TPS659113 TPS659114, TPS659118, TPS6591133 SWCS049Q – JUNE 2010 – REVISED MARCH 2016 www.ti.com Submit Documentation Feedback Product Folder Links: TPS659110 TPS659112 TPS659113 TPS659114 TPS659118 TPS6591133 Specifications Copyright © 2010–2016, Texas Instruments Incorporated External Component Recommendation (continued) For crystal oscillator components, see Section 5.12. If RTC domain is expected to be maintained after shutdown, VCC7 must have enough capacitance to ensure that when supply is switched off, voltage does not fall at a rate faster than 10 mV/ms. This ensures that RTC domain data is maintained. PARAMETER TEST CONDITIONS MIN NOM MAX UNIT LDO5 Input capacitor CI(VCC4) X5R or X7R dielectric 4.7 µF Output filtering capacitor CO(LDO5) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω LDO6 Input capacitor CI(VCC3) X5R or X7R dielectric 4.7 µF Output filtering capacitor CO(LDO6) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω LDO7 Output filtering capacitor CO(LDO7) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω LDO8 Output filtering capacitor CO(LDO8) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω VRTC LDO Input capacitor CI(VCC7) X5R or X7R dielectric 4.7 µF Output filtering capacitor CO(VRTC) 0.8 2.2 2.64 µF CO filtering capacitor ESR 0 500 m Ω BACKUP BATTERY Backup battery capacitor CBB 5 10 2000 mF Series resistors 5 to 15 mF 10 1500 Ω (1) The internal pullups on the CTL-I2C and SR-I2C balls are used for test purposes or when the SR-I2C interface is not used. Discrete pullups to the VIO supply must be mounted on the board in order to use the I2C interfaces. The internal I2C pullups must not be used for functional applications. 5.6 I/O Pullup and Pulldown Characteristics over operating free-air temperature range (unless otherwise noted) (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SDA_SDI, SCL_SCK, SDASR_EN2, SCLSR_EN1 external pullup resistor Connected to VDDIO 1.2 k Ω SDA_SDI, SCL_SCK, SDASR_EN2, SCLSR_EN1 Programmable pullup (DFT, default inactive) Grounded, VDDIO = 1.8 V –45% 8 45% k Ω SLEEP, PWRHOLD, programmable pulldown (default active) at 1.8 V, VRTC = 1.8 V 2 4.5 10 µA NRESPWRON, NRESPWRON2 pulldown at 1.8 V, VCC7 = 5.5 V, OFF state 2 4.5 10 µA 32KCLKOUT pulldown (disabled in ACTIVE- SLEEP state) at 1.8 V, VRTC = 1.8 V, OFF state 2 4.5 10 µA PWRON programmable pullup (default active) Grounded, VCC7 = 5.5 V –40 –31 –15 µA GPIO0-8 programmable pulldown (default active except GPIO0) at 1.8 V, VRTC = 1.8 V, OFF state 2 4.5 10 µA GPIO0-8 external pullup resistor Connected to VDDIO –20% 120 20% k Ω HDRST programmable pulldown (default active) at 1.8 V, VRTC = 1.8 V 2 4.5 10 µA |
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